Weather Records on 15 September 1939

1,098 weather records were set or tied worldwide on 15 September 1939. Highest significance: Pakala, IN.

Key Facts for 15 September 1939

On 15 September 1939, 1,098 weather records were set or tied at long-record stations worldwide.
860 were record highs and 52 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 84 monthly and 1,012 daily.
Pakala set a monthly record daily precipitation of 171.5 mm (6.8 in) on 15 September 1939.
Across 170 earlier years (1797 to 2026) the same calendar date averaged 409 records.

Record Map

1,098 stations

1,098 station records on 15 September 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 September 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pakala	India	Record daily precipitation	171.5 mm (6.8 in)	62 of 100 (Major)
Augsburg (Sankt Stephan)	Germany	Record daily precipitation	53.8 mm (2.1 in)	56 of 100 (Notable)
Hamirpur	India	Record daily precipitation	193.0 mm (7.6 in)	53 of 100 (Notable)
Bosque del Apache	United States	Record daily precipitation	43.2 mm (1.7 in)	51 of 100 (Notable)
Bah	India	Record daily precipitation	113.8 mm (4.5 in)	49 of 100 (Notable)
Weissenburg	Germany	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Beberu	India	Record daily precipitation	124.0 mm (4.9 in)	46 of 100 (Notable)
Ghatampur	India	Record daily precipitation	199.1 mm (7.8 in)	45 of 100 (Notable)
Rath	India	Record daily precipitation	101.1 mm (4.0 in)	44 of 100 (Notable)
Orai	India	Record daily precipitation	106.9 mm (4.2 in)	43 of 100 (Notable)
Vaniyambadi	India	Record daily precipitation	95.3 mm (3.8 in)	42 of 100 (Notable)
Kunch	India	Record daily precipitation	147.3 mm (5.8 in)	41 of 100 (Notable)
Kunzelsau	Germany	Record daily precipitation	30.7 mm (1.2 in)	39 of 100 (Notable)
Disraeli	Canada	Record daily precipitation	73.7 mm (2.9 in)	38 of 100 (Notable)
Kempten	Germany	Record daily precipitation	44.2 mm (1.7 in)	38 of 100 (Notable)
Kalpi	India	Record daily precipitation	80.8 mm (3.2 in)	38 of 100 (Notable)
Derapur	India	Record daily precipitation	108.5 mm (4.3 in)	37 of 100 (Notable)
Fountain Head	South Africa	Record daily precipitation	32.3 mm (1.3 in)	37 of 100 (Notable)
Pakala	India	Record daily precipitation	93.2 mm (3.7 in)	36 of 100 (Notable)
Gallinas Rs	United States	Record daily precipitation	36.3 mm (1.4 in)	36 of 100 (Notable)
Kamasin	India	Record daily precipitation	111.8 mm (4.4 in)	35 of 100 (Notable)
Gollhofen	Germany	Record daily precipitation	27.8 mm (1.1 in)	34 of 100 (Routine)
Ellwangen-Rindelbach	Germany	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	55.6 mm (2.2 in)	32 of 100 (Routine)
T.Narsipur	India	Record daily precipitation	86.1 mm (3.4 in)	32 of 100 (Routine)
Minneapolis Wb Dwtn	United States	Record high maximum temperature	36.1 C (97.0 F)	32 of 100 (Routine)
Karhal	India	Record daily precipitation	106.9 mm (4.2 in)	31 of 100 (Routine)
Ohringen	Germany	Record daily precipitation	28.0 mm (1.1 in)	30 of 100 (Routine)
White River	Canada	Record high maximum temperature	31.1 C (88.0 F)	29 of 100 (Routine)
Pembroke Eddy Match	Canada	Record high maximum temperature	35.0 C (95.0 F)	29 of 100 (Routine)
Pelee Island	Canada	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Pipestone	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Rothenburg Ob der Tauber	Germany	Record daily precipitation	26.6 mm (1.0 in)	28 of 100 (Routine)
Perumbalur	India	Record daily precipitation	55.4 mm (2.2 in)	28 of 100 (Routine)
Fatehabad	India	Record daily precipitation	65.3 mm (2.6 in)	28 of 100 (Routine)
Jalaun	India	Record daily precipitation	78.2 mm (3.1 in)	28 of 100 (Routine)
New London	United States	Record high minimum temperature	23.3 C (73.9 F)	28 of 100 (Routine)
Faridpur	India	Record daily precipitation	78.0 mm (3.1 in)	27 of 100 (Routine)
Digri	India	Record daily precipitation	68.6 mm (2.7 in)	27 of 100 (Routine)
Mt Vernon 3 NE	United States	Record high maximum temperature	40.6 C (105.1 F)	27 of 100 (Routine)
Moores Hill	United States	Record high minimum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
S Haven	United States	Record high maximum temperature	36.1 C (97.0 F)	27 of 100 (Routine)
Tekamah	United States	Record high maximum temperature	39.4 C (102.9 F)	27 of 100 (Routine)
Ft Bayard 4W	United States	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Putbus	Germany	Record high maximum temperature	21.9 C (71.4 F)	26 of 100 (Routine)
Rayachoti	India	Record daily precipitation	65.0 mm (2.6 in)	26 of 100 (Routine)
Pailani	India	Record daily precipitation	87.6 mm (3.4 in)	26 of 100 (Routine)
Chhibramau	India	Record daily precipitation	41.1 mm (1.6 in)	26 of 100 (Routine)
Mantova	Italy	Record daily precipitation	32.4 mm (1.3 in)	26 of 100 (Routine)
Winamac 2SSE	United States	Record high maximum temperature	38.3 C (100.9 F)	26 of 100 (Routine)
Taylors Falls 1 NE	United States	Record high minimum temperature	22.8 C (73.0 F)	26 of 100 (Routine)
Franklin Sewage Plt	United States	Record high minimum temperature	26.1 C (79.0 F)	26 of 100 (Routine)
Lucknow	Canada	Record high maximum temperature	34.4 C (93.9 F)	25 of 100 (Routine)
Akbarpur	India	Record daily precipitation	70.1 mm (2.8 in)	25 of 100 (Routine)
Chhota Kosi	India	Record daily precipitation	63.8 mm (2.5 in)	25 of 100 (Routine)
Millwood (Bos)	South Africa	Record daily precipitation	37.1 mm (1.5 in)	25 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	63.5 mm (2.5 in)	25 of 100 (Routine)
Beardsley	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Bird Island	United States	Record high minimum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Milan 1NW	United States	Record high minimum temperature	21.1 C (70.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

1,098 records

Records set or tied on 15 September 1939 by type: Highest daily maximum 568, Lowest daily maximum 18, Highest daily minimum 292, Lowest daily minimum 34, Heaviest daily rainfall 185, Deepest snow cover 1.

Records on 15 September 1939 by type
Record type	Records
Highest daily maximum	568
Lowest daily maximum	18
Highest daily minimum	292
Lowest daily minimum	34
Heaviest daily rainfall	185
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 15 September 1939 by timescale: all-time 2, monthly 84, daily 1,012.

How Much Records Were Beaten By

913 broken records

Margins by which the 913 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 174.5. Ties are not counted.

Top 20 by Significance

15 September 1939

Top 20 records on 15 September 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 September 1939	Pakala, IN	monthly rain	171.5 mm (6.8 in)	68.4 mm (2.7 in)	30 years	62 of 100 (Major)
15 September 1939	Augsburg (Sankt Stephan), DE	daily rain	53.8 mm (2.1 in)	32.5 mm (1.3 in)	34 years	56 of 100 (Notable)
15 September 1939	Hamirpur, IN	daily rain	193.0 mm (7.6 in)	174.5 mm (6.9 in)	34 years	53 of 100 (Notable)
15 September 1939	Bosque del Apache, US	daily rain	43.2 mm (1.7 in)	40.7 mm (1.6 in)	24 years	51 of 100 (Notable)
15 September 1939	Bah, IN	daily rain	113.8 mm (4.5 in)	89.2 mm (3.5 in)	22 years	49 of 100 (Notable)
15 September 1939	Weissenburg, DE	daily rain	27.7 mm (1.1 in)	19.4 mm (0.8 in)	16 years	46 of 100 (Notable)
15 September 1939	Beberu, IN	daily rain	124.0 mm (4.9 in)	98.1 mm (3.9 in)	21 years	46 of 100 (Notable)
15 September 1939	Ghatampur, IN	daily rain	199.1 mm (7.8 in)	142.2 mm (5.6 in)	8 years	45 of 100 (Notable)
15 September 1939	Rath, IN	daily rain	101.1 mm (4.0 in)	75.7 mm (3.0 in)	36 years	44 of 100 (Notable)
15 September 1939	Orai, IN	daily rain	106.9 mm (4.2 in)	85.3 mm (3.4 in)	1 year	43 of 100 (Notable)
15 September 1939	Vaniyambadi, IN	daily rain	95.3 mm (3.8 in)	62.3 mm (2.5 in)	22 years	42 of 100 (Notable)
15 September 1939	Kunch, IN	daily rain	147.3 mm (5.8 in)	74.9 mm (2.9 in)	1 year	41 of 100 (Notable)
15 September 1939	Kunzelsau, DE	daily rain	30.7 mm (1.2 in)	15.8 mm (0.6 in)	39 years	39 of 100 (Notable)
15 September 1939	Disraeli, CA	all-time rain	73.7 mm (2.9 in)	13.5 mm (0.5 in)	2 years	38 of 100 (Notable)
15 September 1939	Kempten, DE	daily rain	44.2 mm (1.7 in)	20.0 mm (0.8 in)	41 years	38 of 100 (Notable)
15 September 1939	Kalpi, IN	daily rain	80.8 mm (3.2 in)	55.4 mm (2.2 in)	36 years	38 of 100 (Notable)
15 September 1939	Derapur, IN	daily rain	108.5 mm (4.3 in)	78.5 mm (3.1 in)	16 years	37 of 100 (Notable)
15 September 1939	Fountain Head, ZA	daily rain	32.3 mm (1.3 in)	22.4 mm (0.9 in)	37 years	37 of 100 (Notable)
15 September 1939	Pakala, IN	daily rain	93.2 mm (3.7 in)	53.6 mm (2.1 in)	18 years	36 of 100 (Notable)
15 September 1939	Gallinas Rs, US	daily rain	36.3 mm (1.4 in)	23.6 mm (0.9 in)	20 years	36 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1797 to 1939

Records set or tied on this calendar date in each year from 1797 to 1939. 1939 had 1,098 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-15 in each year
Year	Records
1797	1
1803	1
1806	2
1810	1
1816	1
1818	1
1823	2
1833	1
1836	1
1837	2
1839	1
1841	1
1848	1
1850	1
1851	1
1854	2
1856	1
1857	1
1859	1
1864	1
1865	2
1866	1
1867	2
1868	1
1869	1
1872	1
1873	2
1876	2
1877	2
1880	1
1881	1
1882	6
1884	3
1885	4
1886	2
1887	3
1888	1
1889	5
1890	1
1894	4
1895	1
1897	1
1898	3
1899	3
1900	1
1901	12
1902	7
1903	31
1904	30
1905	16
1906	6
1907	7
1908	16
1909	16
1910	2
1911	40
1912	64
1913	43
1914	18
1915	94
1916	44
1917	50
1918	50
1919	52
1920	164
1921	122
1922	53
1923	193
1924	103
1925	112
1926	134
1927	539
1928	86
1929	99
1930	235
1931	422
1932	295
1933	322
1934	351
1935	463
1936	460
1937	337
1938	247
1939	1,098
1940	181
1941	276
1942	278
1943	360
1944	396
1945	418
1946	411
1947	621
1948	557
1949	523
1950	750
1951	283
1952	455
1953	400
1954	518
1955	532
1956	646
1957	449
1958	294
1959	844
1960	410
1961	586
1962	557
1963	455
1964	839
1965	614
1966	534
1967	578
1968	429
1969	362
1970	1,157
1971	598
1972	356
1973	774
1974	386
1975	739
1976	667
1977	400
1978	628
1979	1,022
1980	563
1981	613
1982	1,315
1983	756
1984	766
1985	764
1986	928
1987	719
1988	818
1989	955
1990	911
1991	1,165
1992	919
1993	2,227
1994	1,363
1995	723
1996	1,212
1997	1,177
1998	1,768
1999	858
2000	1,175
2001	837
2002	1,212
2003	855
2004	893
2005	1,123
2006	1,042
2007	946
2008	1,153
2009	773
2010	913
2011	1,170
2012	568
2013	854
2014	443
2015	997
2016	988
2017	825
2018	874
2019	538
2020	785
2021	467
2022	392
2023	507
2024	681
2025	503
2026	779

Download the Data

Data for records on 1939-09-15: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 25	868
25 to 50	29
50 to 75	8
75 to 100	6
100 to 125	0
125 to 150	1
150 to 175	1